/* Componentes reutilizables: botones, header, tarjetas, precios, filtros, footer. */

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 24px;
  border: 1.5px solid transparent; border-radius: var(--r-pill);
  font-size: var(--fs-sm); font-weight: 700; letter-spacing: -0.005em;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background-color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.btn:active { transform: scale(0.98); }
.btn--sm { min-height: 40px; padding: 0 16px; font-size: var(--fs-xs); }
.btn--lg { min-height: 56px; padding: 0 30px; font-size: var(--fs-md); }
.btn--block { width: 100%; white-space: normal; text-align: center; padding-block: 10px; line-height: 1.3; }
.btn--primary { background: var(--ink); color: var(--on-ink); }
.btn--primary:hover { background: var(--ink-strong); }
.btn--outline { background: var(--paper); border-color: var(--line); color: var(--ink); }
.btn--outline:hover { border-color: var(--ink); }
.btn--ghost { background: transparent; color: var(--ink-soft); padding-inline: 12px; }
.btn--ghost:hover { color: var(--ink); }
.btn--wa { background: var(--wa); color: #fff; }
.btn--wa:hover { background: var(--wa-hover); }
.btn--wa-outline { background: var(--paper); border-color: var(--wa-text); color: var(--wa-text); }
.btn--wa-outline:hover { background: var(--wa-soft); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.icon-btn {
  display: inline-grid; place-items: center; width: 44px; height: 44px;
  border: 0; border-radius: var(--r-pill); background: transparent; cursor: pointer;
}
.icon-btn:hover { background: var(--mist); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: var(--header-bg);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-med) var(--ease), background-color var(--t-med) var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.site-header__inner {
  display: flex; align-items: center; gap: var(--s-5);
  height: var(--header-h); max-width: calc(var(--max) + 48px); margin-inline: auto;
  padding-left: var(--gutter-l); padding-right: var(--gutter-r);
}
@media (min-width: 700px) {
  .site-header__inner { padding-left: max(24px, env(safe-area-inset-left, 0px)); padding-right: max(24px, env(safe-area-inset-right, 0px)); }
}
.logo { display: block; flex: none; }
.logo img { height: 40px; width: auto; }
@media (min-width: 900px) { .logo img { height: 58px; } }
@media (max-width: 899px) { .logo img { height: 46px; } }
/* El logo es gris carbón sobre transparente: de noche se invierte (queda claro). */
[data-theme="dark"] .logo img { filter: invert(1) hue-rotate(180deg); }

.nav { margin-left: auto; }
.nav__list { display: flex; gap: var(--s-2); }
.nav__link {
  display: block; padding: 8px 14px; border-radius: var(--r-pill);
  font-size: var(--fs-sm); font-weight: 600; text-decoration: none; color: var(--ink-soft);
  transition: color var(--t-fast), background-color var(--t-fast);
}
.nav__link:hover { color: var(--ink); background: var(--mist); }
/* Botones de la derecha del header: modo noche/día y menú (celular) */
.site-header__actions { display: flex; align-items: center; gap: var(--s-2); flex: none; }
.theme-toggle {
  display: inline-grid; place-items: center; width: 44px; height: 44px; padding: 0;
  border: 1.5px solid var(--line); border-radius: var(--r-pill); background: transparent; color: var(--ink);
  cursor: pointer; transition: background-color var(--t-fast), border-color var(--t-fast);
}
.theme-toggle:hover { background: var(--mist); border-color: var(--ink-faint); }
.theme-toggle__moon, .theme-toggle__sun { grid-area: 1 / 1; display: grid; transition: transform var(--t-med) var(--ease), opacity var(--t-med); }
.theme-toggle__sun { opacity: 0; transform: rotate(-90deg) scale(0.6); }
[data-theme="dark"] .theme-toggle__moon { opacity: 0; transform: rotate(90deg) scale(0.6); }
[data-theme="dark"] .theme-toggle__sun { opacity: 1; transform: none; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: var(--r-pill); background: var(--mist); cursor: pointer; place-items: center; }

.mobile-menu {
  position: fixed; inset: var(--header-h) 0 0 0; z-index: 49; overflow-y: auto;
  display: flex; flex-direction: column; gap: var(--s-6);
  padding: var(--s-6) var(--gutter-r) calc(var(--s-6) + env(safe-area-inset-bottom, 0px)) var(--gutter-l);
  background: var(--paper);
  animation: menu-in var(--t-med) var(--ease);
}
.mobile-menu__list { display: grid; }
.mobile-menu__link {
  display: block; padding: 14px 0; border-bottom: 1px solid var(--line);
  font-size: 1.75rem; font-weight: 800; letter-spacing: -0.02em; text-decoration: none; color: var(--ink-strong);
}
@keyframes menu-in { from { opacity: 0; transform: translateY(-8px); } }

@media (max-width: 899px) {
  .nav, .site-header__wa { display: none; }
  .site-header__actions { margin-left: auto; }
  .nav-toggle { display: inline-grid; }
}
@media (min-width: 900px) { .mobile-menu { display: none !important; } }
body.menu-open { overflow: hidden; }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex; align-items: center; height: 26px; padding: 0 10px;
  border-radius: var(--r-pill); background: var(--ink); color: var(--on-ink);
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.01em;
}
.badge--soft { background: var(--glass); color: var(--ink); }
.badge--out { background: var(--glass); color: var(--ink-soft); }

/* ---------- Precios ---------- */
.price { display: grid; font-variant-numeric: tabular-nums; }
.price__list { color: var(--ink-faint); text-decoration: line-through; text-decoration-thickness: 1px; }
.price__cash { font-weight: 800; letter-spacing: -0.02em; color: var(--ink-strong); }
.price__label { color: var(--ink-soft); font-size: var(--fs-xs); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.price__off {
  display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: var(--r-pill);
  background: var(--ink); color: var(--on-ink); font-size: 0.75rem; font-weight: 700;
}
.price--card .price__list { font-size: var(--fs-xs); }
.price--card .price__cash { font-size: 1.375rem; line-height: 1.25; }

.price--detail { gap: var(--s-4); margin-top: var(--s-5); }
.price__row { display: flex; align-items: baseline; justify-content: space-between; gap: var(--s-4); }
.price__caption { color: var(--ink-soft); font-size: var(--fs-sm); }
.price--detail .price__list { font-size: var(--fs-lg); font-weight: 600; }
.price__special {
  display: grid; gap: 2px; padding: var(--s-5); border-radius: var(--r-panel); background: var(--mist);
}
.price__special .price__caption { color: var(--ink); font-weight: 600; }
.price--detail .price__cash { font-size: clamp(2rem, 1.5rem + 2vw, 2.75rem); line-height: 1.15; }
.price__savings { color: var(--ink-soft); font-size: var(--fs-sm); font-weight: 600; }

/* ---------- Tarjeta de producto ---------- */
.card { min-width: 0; }
.card__link { display: grid; gap: var(--s-4); height: 100%; text-decoration: none; color: inherit; border-radius: var(--r-frame); }
.card__media {
  position: relative; aspect-ratio: 1; max-width: 100%;
  border-radius: var(--r-frame); overflow: hidden; background: var(--mist);
}
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease); }
.card__noimg { display: grid; place-items: center; height: 100%; color: var(--ink-faint); }
.card__badges { position: absolute; top: 14px; left: 14px; display: flex; gap: 6px; flex-wrap: wrap; }
.card__body { display: grid; gap: var(--s-2); align-content: start; padding-inline: 4px; }
.card__brand { font-size: var(--fs-xs); font-weight: 700; color: var(--ink-soft); }
.card__name { font-size: var(--fs-lg); font-weight: 800; letter-spacing: -0.02em; }
.card__model { font-size: var(--fs-xs); color: var(--ink-faint); margin-top: -4px; }
.card__specs { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: var(--fs-xs); color: var(--ink-soft); }
.card__specs li { display: inline-flex; align-items: center; gap: 5px; }
.card__specs .icon { color: var(--ink-faint); }
.card .price { margin-top: var(--s-1); }
.card__cta {
  justify-self: start; margin-top: var(--s-2); padding-bottom: 2px;
  font-size: var(--fs-sm); font-weight: 700; border-bottom: 1.5px solid var(--ink);
}
.card--out .card__media img { filter: grayscale(1); opacity: 0.6; }
.card--out .price__cash { color: var(--ink-soft); }
@media (hover: hover) {
  .card__link:hover .card__media img { transform: scale(1.035); }
}

/* ---------- Grilla ---------- */
.grid { display: grid; gap: var(--s-7) var(--s-5); grid-template-columns: 1fr; }
@media (min-width: 520px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* ---------- Controles de formulario ---------- */
.search, .select {
  position: relative; display: flex; align-items: center; min-width: 0;
  height: 48px; border: 1.5px solid var(--line); border-radius: var(--r-pill); background: var(--paper);
  transition: border-color var(--t-fast);
}
.search:focus-within, .select:focus-within { border-color: var(--ink); }
.search .icon { position: absolute; left: 16px; color: var(--ink-soft); pointer-events: none; }
.search input {
  width: 100%; height: 100%; padding: 0 16px 0 44px; border: 0; background: transparent; outline: none; font-size: var(--fs-sm);
}
.select select {
  appearance: none; height: 100%; padding: 0 40px 0 18px; border: 0; background: transparent; outline: none;
  font-size: var(--fs-sm); font-weight: 600; cursor: pointer;
}
.select .icon { position: absolute; right: 14px; pointer-events: none; color: var(--ink-soft); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.chip span {
  display: inline-flex; align-items: center; height: 38px; padding: 0 16px; border-radius: var(--r-pill);
  border: 1.5px solid var(--line); font-size: var(--fs-sm); font-weight: 600; transition: all var(--t-fast);
}
.chip input:checked + span { background: var(--ink); border-color: var(--ink); color: var(--on-ink); }
.chip input:focus-visible + span { outline: 2px solid var(--focus); outline-offset: 2px; }

.range { display: grid; gap: var(--s-2); }
.range__value { font-size: var(--fs-sm); color: var(--ink-soft); }
.range__value output { color: var(--ink); font-weight: 700; font-variant-numeric: tabular-nums; }
input[type="range"] { width: 100%; accent-color: var(--ink); height: 28px; }

.switch { display: flex; align-items: center; gap: 12px; cursor: pointer; font-size: var(--fs-sm); font-weight: 600; }
.switch input {
  appearance: none; flex: none; width: 46px; height: 28px; margin: 0; border-radius: var(--r-pill);
  background: var(--line); position: relative; cursor: pointer; transition: background var(--t-fast);
}
.switch input::after {
  content: ''; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.2); transition: transform var(--t-fast) var(--ease);
}
.switch input:checked { background: var(--ink); }
.switch input:checked::after { transform: translateX(18px); }
[data-theme="dark"] .switch input:checked { background: var(--ok); }

/* ---------- Footer ---------- */
.site-footer { background: var(--mist); padding-block: var(--s-8) var(--s-6); margin-top: var(--section); }
.site-footer__grid { display: grid; gap: var(--s-6); grid-template-columns: 1fr; }
@media (min-width: 700px) { .site-footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.site-footer__brand { display: grid; gap: var(--s-4); align-content: start; max-width: 34ch; color: var(--ink-soft); font-size: var(--fs-sm); }
.site-footer__title { font-size: var(--fs-sm); font-weight: 800; margin-bottom: var(--s-3); }
.site-footer__col ul { display: grid; gap: var(--s-2); font-size: var(--fs-sm); color: var(--ink-soft); }
.site-footer__col a { text-decoration: none; }
.site-footer__col a:hover { color: var(--ink); text-decoration: underline; }
.site-footer__contact li, .site-footer__contact a { display: inline-flex; align-items: center; gap: 8px; }
.site-footer__legal {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3) var(--s-5);
  margin-top: var(--s-7); padding-top: var(--s-5); border-top: 1px solid var(--line);
  font-size: var(--fs-xs); color: var(--ink-soft);
}
.site-footer__legal > a:not(.btn) { color: var(--ink); }
.site-footer__fine { margin-left: auto; }
@media (max-width: 699px) { .site-footer__fine { margin-left: 0; width: 100%; } }

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; z-index: 40;
  right: calc(20px + env(safe-area-inset-right, 0px)); bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%;
  background: var(--wa); color: #fff; box-shadow: var(--shadow-float);
  transition: transform var(--t-med) var(--ease), opacity var(--t-med), background var(--t-fast);
}
.wa-float.is-tucked { opacity: 0; transform: translateY(16px) scale(0.9); pointer-events: none; }
.wa-float:hover { background: var(--wa-hover); transform: translateY(-2px); }
body[data-page="product"] .wa-float { display: none; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); z-index: 90;
  transform: translateX(-50%); max-width: calc(100% - 32px);
  padding: 12px 18px; border-radius: var(--r-control); background: var(--ink); color: var(--on-ink);
  font-size: var(--fs-sm); box-shadow: var(--shadow-float);
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px; padding-block: var(--s-5); font-size: var(--fs-xs); color: var(--ink-soft); }
.breadcrumbs li:not(:last-child)::after { content: '/'; margin-left: 6px; color: var(--ink-faint); }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { color: var(--ink); text-decoration: underline; }
.breadcrumbs [aria-current] { color: var(--ink); font-weight: 600; }